The Churchill Barriers are four causeways in the Orkney islands with a total length of 2.3 kilometres. They link the Orkney Mainland in the north to the island of South Ronaldsay via Burray and the tw
Barrier 2 looking across to Glimps Holm from Lamb Holm in July 1995.
The main quarry on Lamb Holm used by the Italian POWs, since flooded and converted into a fish farm. In the background at right is barrier no.2 between Lamb Holm and Glimps Holm
Barrier 1, linking Mainland and Lamb Holm. It was through this channel U-47 entered Scapa Flow to attack HMS Royal Oak in 1939.
Barrier 2, linking Lamb Holm and Glimps Holm
HMS Royal Oak was one of five Revenge-class battleships built for the Royal Navy during the First World War. Completed in 1916, the ship first saw combat at the Battle of Jutland as part of the Grand
Royal Oak at anchor in 1937
Royal Oak at anchor after her 1936 refit